ASE A1 case studies
ASE A1 · Put your knowledge to work in context.
ASE A1 - Engine Repair is one of the automobile and light truck certification tests in the ASE certification test series. ASE describes itself as certifying automotive service professionals across the country, and the A1 credential is aimed at technicians who diagnose, disassemble, inspect, measure and reassemble gasoline engines - work performed in dealerships, independent shops, fleets, and collision or specialty facilities. The ASE A1 case studies are 5 cases and about 3,479 words.
1Cold-Start Tick, a Warm Idle Miss, and Oil Use on a 152,000-Mile Four-Cylinder
A 2013 four-cylinder sedan with 152,000 miles arrives with three complaints: a light metallic tick for the first 60 to 90 seconds after a cold start that fades once coolant reaches 180 F, a miss felt at idle only when the engine is warm, and oil consumption of about 1 quart per 850 miles. The tick is loudest at the front of the engine near cylinder 1 and does not change when the accessory belt is removed.
671 words, about 3 min2Cylinder 3 Misfire Immediately After a Valve Job
A 2011 V6 with 118,000 miles had both heads reconditioned after an overheating event. The shop ground the valve seats, replaced guides and seals, and reused the original valves with new springs.
653 words, about 3 min3Cylinder 5 Bore Measurements: Hone, Bore, or Replace
A 2008 V8 truck engine with 210,000 miles is apart for a rebuild. The block is cast iron.
663 words, about 3 min4Highway-Only Overheat, a Slow Pressure Drop, and a Flickering Oil Light
A 2014 V6 crossover with 96,000 miles comes in with the temperature gauge climbing toward the red only at steady highway speed above 65 mph, returning to normal in city traffic. The electric fans run continuously once the gauge passes halfway.
777 words, about 4 min5Slow Crank and an Intermittent Single Click on a Cold Morning
A 2016 V6 pickup with 88,000 miles cranks slowly and intermittently fails to crank at all, giving a single click. The battery is a 3-year-old AGM.
715 words, about 4 min